Sanofi shares have been listed on Euronext Paris since May 25, 1999. They were also listed on the New York Stock Exchange in the form of ADSs (American Depositary Shares) between July 1, 2002 and December 31, 2018. Since January 2, 2019, Sanofi ADSs are listed on the Nasdaq Global Select Market (Nasdaq). One ordinary share represents two ADSs.